From cad09677882299153f9a2833303998457ab2df52 Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Sun, 2 Oct 2011 21:04:37 +0200
Subject: [PATCH] json_decode returns null on error, not false

---
 src/Composer/Json/JsonFile.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Composer/Json/JsonFile.php b/src/Composer/Json/JsonFile.php
index 7942d18cd..d1396ca7d 100644
--- a/src/Composer/Json/JsonFile.php
+++ b/src/Composer/Json/JsonFile.php
@@ -91,7 +91,7 @@ class JsonFile
     {
         $data = json_decode($json, true);
 
-        if (false === $data && 'false' !== $json) {
+        if (null === $data && 'null' !== strtolower($json)) {
             switch (json_last_error()) {
             case JSON_ERROR_NONE:
                 $msg = 'No error has occurred, is your composer.json file empty?';